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Digital elevation models (DEMs) are being used to determine variable inputs for hydrologic models in the Delaware River basin. Recently developed software for analysis of DEMs has been applied to watershed and streamline delineation. The results compare favorably with similar delineations taken from topographic maps. Additionally, output from this software has been used to extract other hydrologic information from the DEM, including flow direction, channel location, and an index describing the slope and shape of a watershed.
Additional Publication Details
Extraction of terrain features from digital elevation models
Publ by ASCE
New York, NY, United States
Number of Pages:
Proceedings of the 1989 National Conference on Hydraulic Engineering